Wine drinking in moderation may beneficial to coronary heart disease. Current recommendations for safe drinking of alcohol are one drink a day for women and no more than two drinks a day for men. These recommendations are difficult to quantify since the definition of "one drink" may differ among individuals. For example, one person may think a 4-ounce (equivalent to about 120 ml) glass as one drink while another considers an 8-ounce (equivalent to about 240 ml) glass as one drink. Therefore, one needs a better quantitation. Fortunately, several studies have suggested that the ideal dose of alcohol is around 6 grams (approximately 600 ml) per day.
Resveratrol is a substance found in grape skin and red wine. Resveratrol supplements are being marketed as to improve metabolism and lifespan. The benefits of reseratrol, however, was observed only in mice. Current resveratrol supplements do not have standardized dosage and side effects are unknown. Therefore, these supplements are currently not recommended.
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